If you're using telnet, stop and start using ssh. If you're using ssh you'll want to enable a periodic SSH protocol No-op every few minutes. The problem isn't with your client or Elvis timing you out, but the firewall(s) in between eventually time out the TCP sessions unless they see traffic. The method by which you do this differs from client to client.
The message you're receiving probably says "Relaying denied" if your outgoing SMTP server is set to elvis.rowan.edu. Your outgoing mail relay should be your ISPs smtp server. Also, your ISPs outgoing relay should allow you to send mail as userid@elvis.rowan.edu.
As a student, once you have not been registered for any two consecutive semesters, this account will be audited and removed. You will receive a notice via email 30 days prior to your account removal.
SET PASSWORD=PASSWORD('new_password');